The Front Line Covers is a remix album

Remix album

A remix album is an album consisting mostly of remixes or re-recorded versions of a music artists' earlier released material.One of the earliest remix albums was 1971's Aerial Pandemonium Ballet by Harry Nilsson, which was released by Nilsson after the successes of Everybody's Talkin and The Point!...

 by Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

ese music production unit I've Sound

I've Sound

I've Sound, or simply called , is a Japanese techno/trance music production group based in Sapporo, Hokkaidō, Japan. Led by Kazuya Takase, it features the talents of seasoned "sound creators" and many different female vocalists, known as to their fans....

, released on
December 28, 2008 at the 2008 Winter Comic Market event. It later received a commercial release on March 25, 2009. It contains rearrangements of twelve songs from their first three Girls Compilation albums (Regret

Regret (album)

Regret is the first compilation album by Japanese music production unit I've Sound and volume one in their Girls Compilation album series. Released on December 24, 1999, the album is a collection of songs they have produced for various adult PC games. It features vocals by Aki, Ayana, Eiko...

, Verge

Verge (album)

Verge is a two-disc compilation album by Japanese music production unit I've Sound and volume two in their Girls Compilation album series. It was released on July 17, 2000, compiling the songs they have produced for various adult PC games as well as some new tracks. The album features vocals by...

and Disintegration

Disintegration (I've album)

Disintegration is a compilation album by Japanese music production unit I've Sound and volume three in their Girls Compilation album series. It was released on June 26, 2002, compiling the songs they have produced for various PC games and CDs as well as some new tracks. The album features vocals by...

), originally sung by vocalists no longer involved with the group, covered by their five current main vocalists: Eiko Shimamiya

Eiko Shimamiya

, born April 20, is a female J-pop singer and member of the production group I've Sound since their first album. She is best known for singing the opening themes of the anime series Higurashi no Naku Koro ni. Eiko also handles a school called Shimamiya Size in Sapporo, Hokkaido, Japan...

, Kaori Utatsuki

Kaori Utatsuki

is a J-pop singer and a member of the I've Sound based on Sapporo, Hokkaidō, Japan. She has performed several songs for eroge together with the other I've Sound members...

, Kotoko, Mami Kawada

Mami Kawada

is a J-pop singer who is currently signed to Geneon Entertainment Inc. She is also a member of the I've Sound who performs soundtracks for some eroge. Mami was usually paired up with co-I've member Kotoko when making soundtracks for anime...

 and Mell

Mell

Mell is a female Japanese singer from Sapporo, Japan. She is a senior vocalist of I've Sound, and one of the main vocalists. She has released six singles and one solo album...

. Sine6 contributes as a guest arranger.

Track listing